PCI Express: An Overview

This article is from 7 years ago, nonetheless there are still a lot of people who don’t know what PCI Express is. Considering it is an integral part of any modern PC, this article is a great read.


With the launch of Intel’s 900-series chipsets and the recent return of SLI to the video card scene, PCI Express has finally arrived on the PC enthusiast scene in a big way. PCI Express-enabled motherboards are going to start becoming more and more common, and with the new bus’s increasing ubiquity will come the inevitable confusion that accompanies the rise of any new technology, especially one as complex and feature-rich as PCI Express. In this article, we’ll take a detailed look at the features of PCI Express ? what it is, what it isn’t, and how it improves on the venerable interconnect scheme that we’ve all come to know and curse: PCI.

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From Ars Technica


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